The Chinese civilization is one of the four most ancient in the world．Relative to the Egyptian,Indian and Tigris—Euphrates civilizations,it is characterized by a consistency and continuity through out the milleniums.Rooted deep in this unique civilization originating from the Yangtze and Yellow River valleys,a yellow race known as the"Chinese"has generation after generation,stuck to a unique cultural tradition.This tradition has remained basically unchanged even though political power has changed hands numerous times．Alien ethnic groups invaded the country's heartland numerous times,but in the end all of them became members of a united family called"China"．
